Created
December 21, 2016 15:09
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common lisp 的函数 FUNCTIONP
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| 语法 | |
| functionp object => generalized-boolean | |
| 参数和值 | |
| object --- 一个 object | |
| generalized-boolean --- 一个 generalized-boolean | |
| 描述 | |
| 如果 object 是一个函数, 返回真, 否则返回假 | |
| 代码 | |
| * (functionp #'functionp) | |
| T | |
| * (functionp #'defun) | |
| T | |
| * (functionp 'name) | |
| NIL |
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